CVE-2026-44813: CWE-416: Use After Free in Microsoft Windows 11 version 26H1
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-44813) involves a use-after-free condition in the Windows Desktop Window Manager (DWM) Core Library in Windows 11 version 26H1 (build 10.0.28000.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability. Microsoft has published an official fix addressing this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected system. The impact includes full compromise of confidentiality, integrity, and availability of the system due to the high CVSS score and the nature of privilege escalation.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44813 to remediate this vulnerability.
CVE-2026-44813: CWE-416: Use After Free in Microsoft Windows 11 version 26H1
Description
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-44813) involves a use-after-free condition in the Windows Desktop Window Manager (DWM) Core Library in Windows 11 version 26H1 (build 10.0.28000.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability. Microsoft has published an official fix addressing this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected system. The impact includes full compromise of confidentiality, integrity, and availability of the system due to the high CVSS score and the nature of privilege escalation.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44813 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-07T20:07:18.271Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44813","vendor":"Microsoft"}]
Threat ID: 6a284cd18dd33fbd85664a8a
Added to database: 06/09/2026, 17:26:41 UTC
Last enriched: 07/29/2026, 21:52:47 UTC
Last updated: 07/31/2026, 20:41:24 UTC
Views: 70
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